TGC-1 releases audited consolidated Financial Statements for the 12 months period, ended December 31, 2017 prepared in accordance with International Financial Reporting Standards (IFRS).

TGC-1 published its 2017 audited financial statements under the Russian Accounting Standards (RAS).

On 27 February 2018, Standard & Poor’s Global Ratings affirmed TGC-1 long-term and short-term credit ratings at 'ВВ+/B' level with 'positive' outlook.

According to 2017 results, the electricity production volume of TGC-1, including PJSC Murmanskaya CHPP, amounted to 29,509.3 million kWh, having increased by 6.6% compared to 2016.

On 18 January 2018, the Analytical Credit Rating Agency (Joint Stock Company) – ACRA (JSC) – assigned AA credit rating with outlook Stable to TGC-1 according to the Russian national scale.